Year Tonnes
1830 3460.44261
1831 7612.97375
1832 10381.32784
1833 13841.77045
1850 35296.51466
1855 100352.83579
1858 191708.52078
1859 288600.91395
1860 416637.29064
1861 579278.09347
1862 726000.86027
1863 879644.5123
1864 1051974.55444
1865 1216691.62283
1866 1737142.19187
1867 2334414.58693
1868 2831334.1462
1869 3505428.36727
1870 4236965.93572
1871 5224576.25755
1872 6238485.94325
1873 7190107.6619
1874 8345203.40622
1875 9674705.45825
1876 11325336.58479
1877 13009880.04894
1878 15211413.63952
1879 17470390.57748
1880 20120397.53074
1881 22911590.54262
1882 25851582.58688
1883 29197830.59393
1884 32595293.15166
1885 36295890.48232
1886 40091303.94058
1887 44107493.63757
1888 48296705.46522
1889 52820888.13785
1890 57944419.47109
1891 63585633.01928
1892 69556972.79278
1893 76556064.02243
1894 83684575.80582
1895 91875443.47148
1896 100213725.99248
1897 109854519.11311
1898 120667018.10261
1899 133210430.48728
1900 147419699.94599
1901 162007541.82659
1902 176097079.97088
1903 189879330.81111
1904 205213244.11914
1905 218900678.83176
1906 234512811.7259
1907 251999812.42792
1908 269594086.85096
1909 288166974.44503
1910 306381360.18436
1911 325265687.61363
1912 346657451.7605
1913 369895708.08581
1914 390868758.67646
1915 410119200.93422
1916 430636857.27696
1917 449519800.52919
1918 457050415.74424
1919 463482686.47383
1920 469348136.70336
1921 475709122.31512
1922 483466742.5656
1923 492036182.65317
1924 502245872.53943
1925 512322681.42934
1926 526922980.90335
1927 545075078.67565
1928 565241154.04888
1929 586958891.88992
1930 616484080.35506
1931 651954309.22985
1932 691917576.79374
1933 736579433.33796
1934 790603171.32819
1935 851754729.01328
1936 921876446.04055
1937 993578893.25357
1938 1069257389.02927
1939 1145863975.51386
1940 1237705506.64773
1941 1318391954.97339
1942 1373920985.5004
1943 1444806768.25668
1944 1511194667.70421
1945 1581481101.79987
1946 1660471933.24502
1947 1755590503.53368
1948 1856807757.88401
1949 1971867474.77604
1950 2100122551.44109
1951 2239124378.68598
1952 2387976009.78535
1953 2545455216.40819
1954 2717450287.70528
1955 2912478757.12497
1956 3126309195.43973
1957 3360307785.3933
1958 3610074920.24713
1959 3872674760.48809
1960 4146082255.0989
1961 4428038427.14159
1962 4723964406.01414
1963 5041325750.61049
1964 5378840020.89814
1965 5736878868.41376
1966 6114987590.99796
1967 6510356309.24876
1968 6916833048.28822
1969 7340152453.61512
1970 7785403452.13654
1971 8257983642.24072
1972 8755290078.99394
1973 9273696218.53745
1974 9811945920.20264
1975 10377830024.48907
1976 10965544677.04573
1977 11573296676.51041
1978 12201952517.71347
1979 12835839856.05932
1980 13494714358.42724
1981 14141140956.62661
1982 14799789838.13614
1983 15467880883.36031
1984 16141984793.66934
1985 16868987106.03074
1986 17597975020.36366
1987 18357674362.88956
1988 19138251247.78999
1989 19902478233.43113
1990 20619012706.88733
1991 21309651304.09119
1992 21940580656.09119
1993 22479915682.09119
1994 22921682839.09119
1995 23367626709.09119
1996 23779962524.09119
1997 24121158539.09119
1998 24449795079.09119
1999 24782344308.09119
2000 25103247145.09119
2001 25425022728.09119
2002 25743710697.09119
2003 26096142400.0912
2004 26439538615.0912
2005 26773415298.09119
2006 27099844304.0912
2007 27421102840.09119
2008 27732126779.09119
2009 27992227089.09119
2010 28296870448.09119
2011 28583263148.09119
2012 28879054369.09119
2013 29150929416.09119
2014 29378228411.09119